The aim of this article from the experts at NICEIC is to explain the operating characteristics of the protective multiple earthing (PME) earthing facility, a type of TN-C-S system, which is commonly provided for both new and existing electrical installations. In a PME arrangement the supply neutral conductor functions as both protective and neutral conductors ...

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Many domestic premises have one or more detached outbuildings such as a garage or home office/studio, which may require an electrical supply from the main installation for lighting and power. This article considers the use of the PME earthing facility in such detached buildings where supplied via a steel wire armoured (SWA) cable. Concerns are ...

The post Exporting a PME supply to an outbuilding using an SWA cable | NICEIC appeared first on Professional Electrician.